quinazolinone-based materials was synthesized and fully characterized. Firstly, the third-order nonlinear optical properties of the quinazolinone derivatives in CH2Cl2 were investigated by using Z-scan measurement. Secondly, the photophysical properties of the compounds were determined with aid of experimental and theoretical calculation methods. The results showed that the introduction of phenylacetylene groups
合成并充分表征了一系列基于
喹唑啉酮的材料。首先,通过Z扫描测量研究了
喹唑啉酮衍
生物在CH 2 Cl 2中的三阶非线性光学性质。其次,借助实验和理论计算方法确定了化合物的光物理性质。结果表明,在1a的母环平面结构上引入
苯乙炔基减少了母环化合物的π-π分子间堆积,并且通过将
苯乙炔基连接至
喹唑啉酮骨架形成推挽结构减少了整个分子的能隙。分子。获得了良好的NLO响应,即NLO的二阶NLO磁化率(γ)2b为6.225×10 -31 esu,比未修饰的1a高7倍以上。我们的结果表明,
喹唑啉酮衍
生物是未来非线性光学应用的有前途的候选材料。